CVE-2017-12874: Debian Linux

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

The InfoCard module 1.0 for SimpleSAMLphp allows attackers to spoof XML messages by leveraging an incorrect check of return values in signature validation utilities.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Simplesamlphp Infocard Module: version 1.0 only

Published 2017-09-01. Last modified 2026-06-17.